Exam (elaborations)

Test Bank for Elementary Statistics, 4th Edition by William Navidi (All Chapters included)

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Course
Introduction to Statistics

Institution
Introduction To Statistics

Complete Test Bank for Elementary Statistics, 4th Edition by William Navidi and Barry Monk ; ISBN13: 9781260727876....(Full Chapters included Chapter 1 to 15)...1 Basic Ideas 2 Graphical Summaries of Data 3 Numerical Summaries of Data 4 Summarizing Bivariate Data 5 Probability 6 Discrete Proba...

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TEST BANK

Elementary Statistics
4th Edition by William Navidi

Complete Chapters Test Bank
are included (Ch 1 to 15)

** Immediate Download
** Swift Response
** All Chapters included

,Ch 01 4e
Exam
Name___________________________________

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the
question.
1) The entire collection of individuals about which information is sought is called a 1) _______
________.
A) simple random sample B) cluster
C) population D) sample

2) A ________ is a subset of a population. 2) _______
A) cluster B) sample of convenience
C) sample D) simple random sample

3) A pollster wants to estimate the proportion of voters in a certain town who are 3) _______
Democrats. He goes to a large shopping mall and approaches people to ask whether
they are Democrats. Is this a simple random sample?
A) yes B) no

4) A telephone company wants to estimate the proportion of customers who are satisfied 4) _______
with their service. They use a computer to generate a list of random phone numbers and
call those people to ask them whether they are satisfied. Is this a simple random
sample?
A) yes B) no

5) A ________ is a type of sample that is analogous to a lottery. 5) _______
A) population B) simple random sample
C) cluster D) sample of convenience

TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false.
6) Determine whether the statement is true or false. 6) _______
A sample of convenience is never acceptable.

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the
question.
7) Which of the following sample types should you always regard as unreliable? 7) _______
A) cluster samples B) stratified samples
C) simple random samples D) voluntary response samples

8) A pollster randomly samples 145 Democrats, 154 Republicans and 19 Independents (all 8) _______
registered voters) in Metro City and asks each poll participant which mayoral candidate
he or she prefers. Identify the kind of sample that the pollster is using.
A) sample of convenience B) stratified sample
C) voluntary response sample D) cluster sample

9) A middle school student passes out leaflets to the adults at a school function. The 9) _______
leaflets ask the recipient to indicate whether they believe in anthropogenic global
warming. The bottom of the leaflet indicates that the completed leaflet should be
returned to the student. Identify the kind of sample that is being used.

,Ch 01 4e
A) sample of convenience B) cluster sample
C) stratified sample D) systematic sample

10) By visiting homes door-to-door, a municipality surveys all the households in 149 10) ______
randomly-selected neighborhoods to see how residents feel about a proposed property
tax increase. Identify the type of sample that is being used.
A) voluntary response sample B) systematic sample
C) cluster sample D) stratified sample

11) An electronics manufacturer test every 50th cell phone to verify that it is functioning 11) ______
properly. Identify the kind of sample that is being used.
A) systematic sample B) cluster sample
C) stratified sample D) simple random sample

12) The names of all 126 students in a professor's class are written on identical slips of 12) ______
paper, and the slips are placed into a large glass jar. Then, the professor selects 14
random slips from the jar. Identify the kind of sample that is being used.
A) sample of convenience B) simple random sample
C) systematic sample D) cluster sample

13) A radio talk show host invites listeners to send an email to express their opinions on an 13) ______
upcoming election. More than 10,000 emails are received. What kind of sample is this?
A) Cluster B) Systematic
C) Voluntary response D) Stratified

14) Every 10 years, the U.S. Census Bureau attempts to count every person living in the 14) ______
United States. To check the accuracy of their count in a certain city, they draw a sample
of census districts (roughly equivalent to a city block) and recount everyone in the
sampled districts. What kind of sample is formed by the people who are recounted?
A) Cluster B) Stratified
C) Voluntary response D) Systematic

15) A public health researcher is designing a study of the effect of diet on heart disease. The 15) ______
researcher knows that the diets of men and women tend to differ and that men are more
susceptible to heart disease. To be sure that both men and women are well represented,
the study comprises a simple random sample of 100 men and another simple random
sample of 100 women. What kind of sample do these 200 people represent?
A) Cluster B) Voluntary response
C) Stratified D) Systematic

16) A college basketball team held a promotion at one of its games in which every 16) ______
twentieth person who entered the arena won a free basketball. What kind of sample do
the winners represent?
A) Voluntary response B) Stratified C) Systematic

17) A television newscaster invites viewers to tweet their opinions on a proposed bill on 17) ______
immigration policy. More than 50,000 people express their opinions in this way.
A) Stratified B) Systematic
C) Cluster D) Voluntary response

, Ch 01 4e

18) An app produces a message requesting customers to click on a link to rate the app. 18) ______
A) Systematic B) Cluster C) Voluntary response

19) Choose the answer below that best completes the following statement. 19) ______

A ________ is a number that describes a population.
A) summary B) parameter C) sample D) statistic

20) Choose the answer below that best completes the following statement. 20) ______

A _____________ is a number that describes a sample.
A) measurement B) parameter C) population D) statistic

21) In a recent poll, 64% of the respondents supported stricter gun laws. Is this an example 21) ______
of statistic or a parameter?
A) Statistic B) Parameter

22) In a small town, 84% of the residents, aged 16 or more years old, own a car. Is this an 22) ______
example of statistic or a parameter?
A) Statistic B) Parameter

23) Of the televisions offered at an electronics store, 42% cost less than $500.00. Is this an 23) ______
example of statistic or a parameter?
A) Statistic B) Parameter

24) In a survey of 1000 teenagers, 23% of them said they use tobacco products. Is this an 24) ______
example of statistic or a parameter?
A) Statistic B) Parameter

25) A pollster asks a group of six voters about their political affiliation (Republican, 25) ______
Democrat, or Independent), their age, and whether they voted in the last election. The
results are shown in the following table.

Political Voted in Last
Voter Affilation Age Election?
1 Republican 34 Yes
2 Democrat 56 Yes
3 Democrat 21 No
4 Independent 28 Yes
5 Republican 61 No
6 Independent 46 Yes

How many individuals are there?
A) 6 B) 74 C) 246 D) 21

26) A pollster asks a group of six voters about their political affiliation (Republican, 1
Democrat, or Independent), their age, and whether they voted in the last election. The 2
results are shown in the following table. Voter 3

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